Dudley Smith has just release an updated version of his great Firewall Diagram, formatted for poster-size printing (2′ x3′): Grab it while it’s fresh. Update: Dudley has just updated it to correct this issue.
Dudley Smith has made a small update to his Firewall poster, “port 443 is needed for ESX server-to-server migration and provisioning traffic.” Grab the updated version here. Thanks Dudley.
Here is a table listing VMware product’s network port requirements. I don’t often just link to other people’s posts, but this is a great resource. It also helps clarify the direction of the traffic, which is something that is often missed. http://www.latogalabs.com/vmw-launchpad/vmware-network-port-list/